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<Title>Pie Chart with Legend (1)</Title>
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<p class="heading0">ChartDirector 7.0 (Java Edition)</p>
<p class="heading1">Pie Chart with Legend (1)</p>
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<img src="images/legendpie.png" width='450' height='270'>
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This example demonstrates how to add a legend box to a pie chart. It also demonstrates alternative sector label format and rounded edge sector shading.<br><br>
<ul><li> Add a legend box using <a href="BaseChart.addLegend.htm">BaseChart.addLegend</a>.<br><br>
<li> Change the sector label format using <a href="PieChart.setLabelFormat.htm">PieChart.setLabelFormat</a>.<br><br>
<li> Set rounded edge sector shading using <a href="PieChart.setSectorStyle.htm">PieChart.setSectorStyle</a>.</ul>
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<p class="heading1a">Source Code Listing</p>
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<b>[JSP Version]</b> jspdemo/legendpie.jsp
<div class='codeblock'><code class='pre'>&lt;%@page import="ChartDirector.*, java.util.*" %&gt;
&lt;%
// The data for the pie chart
double[] data = {25, 18, 15, 12, 8, 30, 35};

// The labels for the pie chart
String[] labels = {"Labor", "Licenses", "Taxes", "Legal", "Insurance", "Facilities", "Production"};

// Create a PieChart object of size 450 x 270 pixels
PieChart c = new PieChart(450, 270);

// Set the center of the pie at (150, 100) and the radius to 80 pixels
c.setPieSize(150, 135, 100);

// add a legend box where the top left corner is at (330, 50)
c.addLegend(330, 60);

// modify the sector label format to show percentages only
c.setLabelFormat("{percent}%");

// Set the pie data and the pie labels
c.setData(data, labels);

// Use rounded edge shading, with a 1 pixel white (FFFFFF) border
c.setSectorStyle(Chart.RoundedEdgeShading, 0xffffff, 1);

// Output the chart
WebChartViewer viewer = new WebChartViewer(request, "chart1");
viewer.setChart(c, Chart.SVG);

// Include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("", "", "title='{label}: US${value}K ({percent}%)'"));
%&gt;
&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
    &lt;title&gt;Pie Chart with Legend (1)&lt;/title&gt;
    &lt;!-- Include ChartDirector Javascript Library to support chart interactions --&gt;
    &lt;script type="text/javascript" src="cdjcv.js"&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;body style="margin:5px 0px 0px 5px"&gt;
    &lt;div style="font:bold 18pt verdana;"&gt;
        Pie Chart with Legend (1)
    &lt;/div&gt;
    &lt;hr style="border:solid 1px #000080; background:#000080" /&gt;
    &lt;div style="font:10pt verdana; margin-bottom:1.5em"&gt;
        &lt;a href="viewsource.jsp?file=&lt;%=request.getServletPath()%&gt;"&gt;View Source Code&lt;/a&gt;
    &lt;/div&gt;
    &lt;!-- ****** Here is the chart image ****** --&gt;
    &lt;%= viewer.renderHTML(response) %&gt;
&lt;/body&gt;
&lt;/html&gt;</code></div>
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<br><hr class="separator"><div class="copyright">&copy; 2022 Advanced Software Engineering Limited. All rights reserved.</div>
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